Factor the trinomial by grouping.
4x^3+ 15x^2+ 9x

Amaple syrup producer records th amount of sap collected from each of his trees. the line plot shows the results for one day. what is the least amount of sap any one tree produced?

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)